US2997136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handicapping device for racing sulkies
Assignee: Individual
•
Filing: 1956-12-31
•
Granted: 1961-08-22
•
Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 John R Gaines
- 👤 Clarence F Gaines
- 👤 Pew Chester C De
- 👤 William J Carry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:56
CPC Classifications
B; B62; B62C; B62C7/00; B62C7/04; B60; B60T; B60T1/00; B60T1/02; B60T1/06; B60T1/065; B62B; B62B5/00; B62B5/04; B62B2005/0471; B62B5/0404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1303734A
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US767299A
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US815841A
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US849302A
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US1163264A
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US1592182A
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US2249297A
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US2306845A
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US2260189A
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US2884096A
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US2892514A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |